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How does the brightness of a light bulb relate to the wavelengths of light produced by the bulb?
Wiki User
∙ 14y ago
The light bulb gives light be heating the filament. Roughly speaking, it is emitting black body radiation. Plank's Law gives you the formula.
See here:
http://en.wikipedia.org/wiki/Black_body
http://en.wikipedia.org/wiki/Planck's_law
Wiki User
∙ 14y ago
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